<!DOCTYPE html>
<html>
<head>
    <title>Reference File</title>
    <link rel="author" title="Chunsheng Zhang" href="mailto:zhangcs_423@163.com">
    <style type="text/css">
        .container {
            position: absolute;
        }
        .greenSquare {
            position: absolute;
            width: 100px;
            height: 100px;
            /* Position the div so its identical to the div in the test file */
			top: 100px;
			left: 100px;
            /* Add fill color to match the test file */
			background: green;
        }
    </style>
</head>
<body>
    <p>The test passes if there is a green square and no red</p>
    <div class="container">
        <div class="greenSquare"></div>
    </div>
</body>
</html>
